Question: A researcher conducted a goodness-of-fit test by using categorical data. Her data consists of 7 categories. Her null hypothesis states that the data occur in

A researcher conducted a goodness-of-fit test by using categorical data. Her data consists of 7 categories. Her null hypothesis states that the data occur in each category with the same frequency. If she found the test statistic 2=2=17.21:

What is the degree of freedom of the 22 statistic?

What is the P-value of the goodness-of-fit test? (Round to 3 decimals)

Given the significance level of 0.01, what can she conclude from the test?

The data does NOT occur in each category with the same frequency.
The data occur in each category with the same frequency.

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